medical researcher administers an experimental medical treatment to 200 patients The patients in the study are categorized by blood types A B AB and O The researcher observes atment had a favorable outcome for 18 of the 60 patients with blood type A 17 of the 68 patients with blood type B 2 of the 2 patients with blood type AB and none of the 70 patients De O Use this information to complete parts a through d Determine the empirical probability of a favorable outcome for those patients with blood type A tavorable A Type an integer or decimal rounded to the nearest hundredth as needed